Patents by Inventor Duncan M Lawler

Duncan M Lawler has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Controlling and customizing access to spatial information
    Patent number: 7672483
    Abstract: A spatial data handling and map generation system comprises a receiver component that receives a request for information associated with a geographic region and data associated with an initiator of the request. A mapping component renders a representation of the geographic region, the representation is customized according to a role assigned to the initiator of the request, the role is assigned based at least in part upon the received data.
    Type: Grant
    Filed: March 30, 2006
    Date of Patent: March 2, 2010
    Assignee: Microsoft Corporation
    Inventors: Timothy S. McGrath, Leonard Smith, Jr., David P. Horne, Duncan M. Lawler
  • Entity lookup system
    Patent number: 7650345
    Abstract: In an electronic document such as a map, an entity lookup system associates primitive data with entity data though parallel or corresponding grids of a primitive quad-tree and an entity quad-tree. A key is assigned to grids in the primitive quad-tree in association to particular grids in the entity quad-tree.
    Type: Grant
    Filed: February 28, 2005
    Date of Patent: January 19, 2010
    Assignee: Microsoft Corporation
    Inventors: David R Buerer, Duncan M Lawler